<template>
  <div>
    <!-- 面包屑 -->
    <bread :bread="$route.meta.bread" />
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
      <div id="main" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import _ from 'lodash'
import bread from '../common/bread'
import report from '../../API/report'
export default {
  name: '',
  components: {
    bread
  },
  data() {
    return {
      options: {
        title: { text: '用户来源' },
        tooltip: {
          trigger: 'axis',
          axisPointer: { type: 'cross', label: { backgroundColor: '#E9EEF3' } }
        },
        grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true },
        xAxis: [{ boundaryGap: false }],
        yAxis: [{ type: 'value' }]
      }
    }
  },
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))

    const { data: res } = await report.report()

    if (res.meta.status !== 200) {
      return this.$message.error('获取')
    }

    // 指定图表的配置项和数据
    const result = _.merge(res.data, this.options)
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(result)
  },
  methods: {},
  computed: {},
  watch: {}
}
</script>

<style>
</style>
